/*
 * Copyright (c) 2011, Nikolaus Moll
 * All rights reserved.
 * 
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 * * Redistributions of source code must retain the above copyright
 *   notice, this list of conditions and the following disclaimer.
 * * Redistributions in binary form must reproduce the above copyright
 *   notice, this list of conditions and the following disclaimer in the
 *   documentation and/or other materials provided with the distribution.
 * * Neither the name of the gradecalculator.net nor the
 *   names of its contributors may be used to endorse or promote products
 *   derived from this software without specific prior written permission.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY
 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
 * DAMAGE.
 */
package net.gradecalculator.plugin.importer.data;

public class UniversitySemester implements Comparable<UniversitySemester> {

	public enum Semester { SS, WS };
	
	private final Semester semester;
	private final int year;
	
	public UniversitySemester(final String text)
	{
		final String t = text.trim().replace(" ", "");
		
		semester = Semester.valueOf(t.substring(0, 2));
		year = Integer.parseInt(t.substring(2));
	}
	
	public UniversitySemester(final Semester semester, final int year)
	{
		this.semester = semester;
		this.year = year;
	}
	
	@Override
	public String toString()
	{
		return semester.toString() + " " + year;
	}
	
	@Override
	public int compareTo(final UniversitySemester o) {
		final int yearComparison = this.year - o.year;
		if (yearComparison != 0) {
			return yearComparison;
		}
		
		if (this.semester == o.semester) {
			return 0;
		}
		
		if (this.semester == Semester.SS) {
			return -1;
		} else {
			return 1;
		}
	}

}
